package com.geeker.framework.aspectj;

import java.util.Collection;
import java.util.Map;

import cn.hutool.core.util.ObjectUtil;
import cn.hutool.json.JSONUtil;
import com.geeker.common.annotation.Log;
import com.geeker.common.core.domain.AccessUser;
import com.geeker.common.enums.BusinessStatus;
import com.geeker.module.common.util.AdminTools;
import com.geeker.common.util.WebTools;
import com.geeker.framework.manager.AsyncFactory;
import com.geeker.framework.manager.AsyncManager;
import com.geeker.module.sys.log.domain.SysLogOperate;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.NamedThreadLocal;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.HandlerMapping;


/**
 * 操作日志记录处理
 */
@Aspect
@Component
public class LogAspect {
    private static final Logger log = LoggerFactory.getLogger(LogAspect.class);

    /**
     * 计算操作消耗时间
     */
    private static final ThreadLocal<Long> TIME_THREADLOCAL = new NamedThreadLocal<Long>("Cost Time");

    /**
     * 处理请求前执行
     */
    @Before(value = "@annotation(controllerLog)")
    public void boBefore(JoinPoint joinPoint, Log controllerLog) {
        TIME_THREADLOCAL.set(System.currentTimeMillis());
    }

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "@annotation(controllerLog)", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Log controllerLog, Object jsonResult) {
        handleLog(joinPoint, controllerLog, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e         异常
     */
    @AfterThrowing(value = "@annotation(controllerLog)", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Log controllerLog, Exception e) {
        handleLog(joinPoint, controllerLog, e, null);
    }

    protected void handleLog(final JoinPoint joinPoint, Log controllerLog, final Exception e, Object jsonResult) {
        try {
            // 获取当前的用户
            AccessUser accessUser = AdminTools.getAccessUser();

            // *========数据库日志=========*//
            SysLogOperate sysLogOperate = new SysLogOperate();
            sysLogOperate.setStatus(BusinessStatus.SUCCESS.ordinal());
            // 请求的地址
            String ip = WebTools.getIpAddress();
            sysLogOperate.setOperIp(ip);
            sysLogOperate.setOperUrl(StringUtils.substring(WebTools.getRequest().getRequestURI(), 0, 255));
            if (accessUser != null) {
                sysLogOperate.setOperName(accessUser.getUserName());
//                SysUser currentUser = accessUser.getUser();
//                if (StringUtils.isNotNull(currentUser) && StringUtils.isNotNull(currentUser.getDept())) {
//                    logOperate.setDeptName(currentUser.getDept().getDeptName());
//                }
            }

            if (e != null) {
                sysLogOperate.setStatus(BusinessStatus.FAIL.ordinal());
                sysLogOperate.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
            }
            // 设置方法名称
            String className = joinPoint.getTarget().getClass().getName();
            String methodName = joinPoint.getSignature().getName();
            sysLogOperate.setMethod(className + "." + methodName + "()");
            // 设置请求方式
            sysLogOperate.setRequestMethod(WebTools.getRequest().getMethod());
            // 处理设置注解上的参数
            getControllerMethodDescription(joinPoint, controllerLog, sysLogOperate, jsonResult);
            // 设置消耗时间
            sysLogOperate.setCostTime(System.currentTimeMillis() - TIME_THREADLOCAL.get());
            // 保存数据库
            AsyncManager.me().execute(AsyncFactory.recordOper(sysLogOperate));

        } catch (Exception exp) {
            // 记录本地异常日志
            log.error("异常信息:{}", exp.getMessage());
            exp.printStackTrace();
        } finally {
            TIME_THREADLOCAL.remove();
        }
    }

    /**
     * 获取注解中对方法的描述信息 用于Controller层注解
     *
     * @param log        日志
     * @param sysLogOperate 操作日志
     * @throws Exception
     */
    public void getControllerMethodDescription(JoinPoint joinPoint, Log log, SysLogOperate sysLogOperate, Object jsonResult) throws Exception {
        // 设置action动作
        sysLogOperate.setBusinessType(log.businessType().ordinal());
        // 设置标题
        sysLogOperate.setTitle(log.title());
        // 设置操作人类别
        sysLogOperate.setOperatorType(log.operatorType().ordinal());
        // 是否需要保存request，参数和值
        if (log.isSaveRequestData()) {
            // 获取参数的信息，传入到数据库中。
            setRequestValue(joinPoint, sysLogOperate);
        }
        // 是否需要保存response，参数和值
        if (log.isSaveResponseData() && ObjectUtil.isNotNull(jsonResult)) {
            sysLogOperate.setJsonResult(StringUtils.substring(JSONUtil.toJsonStr(jsonResult), 0, 2000));
        }
    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param sysLogOperate 操作日志
     * @throws Exception 异常
     */
    private void setRequestValue(JoinPoint joinPoint, SysLogOperate sysLogOperate) throws Exception {
        String requestMethod = sysLogOperate.getRequestMethod();
        if (HttpMethod.PUT.name().equals(requestMethod) || HttpMethod.POST.name().equals(requestMethod) || HttpMethod.GET.name().equals(requestMethod)) {
            String params = argsArrayToString(joinPoint.getArgs());
            sysLogOperate.setOperParam(StringUtils.substring(params, 0, 2000));
        } else {
            Map<?, ?> paramsMap = (Map<?, ?>) WebTools.getRequest().getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);
            sysLogOperate.setOperParam(StringUtils.substring(paramsMap.toString(), 0, 2000));
        }
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray) {
        String params = "";
        if (paramsArray != null && paramsArray.length > 0) {
            for (int i = 0; i < paramsArray.length; i++) {
                if (!isFilterObject(paramsArray[i])) {
                    Object jsonObj = JSONUtil.toJsonStr(paramsArray[i]);
                    params += jsonObj.toString() + " ";
                }
            }
        }
        return params.trim();
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    @SuppressWarnings("rawtypes")
    public boolean isFilterObject(final Object o) {
        Class<?> clazz = o.getClass();
        if (clazz.isArray()) {
            return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
        } else if (Collection.class.isAssignableFrom(clazz)) {
            Collection collection = (Collection) o;
            for (Object value : collection) {
                return value instanceof MultipartFile;
            }
        } else if (Map.class.isAssignableFrom(clazz)) {
            Map map = (Map) o;
            for (Object value : map.entrySet()) {
                Map.Entry entry = (Map.Entry) value;
                return entry.getValue() instanceof MultipartFile;
            }
        }
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
                || o instanceof BindingResult;
    }
}
